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<div class="title">diagramitem.cpp</div>  </div>
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<a href="editor_2diagramitem_8cpp.html">См. документацию.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="editor_2diagramitem_8hpp.html">diagramitem.hpp</a>&quot;</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="editor_2diagramscene_8hpp.html">diagramscene.hpp</a>&quot;</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;</div>
<div class="line"><a name="l00004"></a><span class="lineno"><a class="code" href="class_diagram_item.html#a3af966b3d7ad8f8d431f997da431a946">    4</a></span>&#160;<a class="code" href="class_diagram_item.html#a3af966b3d7ad8f8d431f997da431a946">DiagramItem::DiagramItem</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">id</span>, <a class="code" href="class_diagram_item.html#aeda67bf28fac9b4de77086c2bf81407b">DiagramType</a> type, QString title, QMenu *contextMenu,</div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;                         QGraphicsItem *parent, QGraphicsScene *scene) :</div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;    QGraphicsPolygonItem(parent, scene), m_type(type), m_contextMenu(contextMenu),</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;    m_title(title), m_id(id)</div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;{</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;    <span class="keywordflow">switch</span> (m_type) {</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="class_diagram_item.html#aeda67bf28fac9b4de77086c2bf81407baf63865b78ab7a42f3908b86c2fb51474">Node</a>:</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;        <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;            m_polygon &lt;&lt; QPointF(-50, -25) &lt;&lt; QPointF(-50, 25)</div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;                      &lt;&lt; QPointF(50, 25) &lt;&lt; QPointF(50, -25)</div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;                      &lt;&lt; QPointF(-50, -25);</div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;    }</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;    setPolygon(m_polygon);</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;    setFlag(QGraphicsItem::ItemIsMovable, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;    setFlag(QGraphicsItem::ItemIsSelectable, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;    setFlag(QGraphicsItem::ItemSendsGeometryChanges, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;}</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"><a class="code" href="class_diagram_item.html#af85bfb4edd1f641fae6b605e4bb529b4">   23</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_diagram_item.html#af85bfb4edd1f641fae6b605e4bb529b4">DiagramItem::removeArrow</a>(<a class="code" href="class_arrow.html">Arrow</a> *arrow)</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;{</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    <span class="keywordtype">int</span> index = m_arrows.indexOf(arrow);</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    <span class="keywordflow">if</span> (index != -1)</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        m_arrows.removeAt(index);</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;}</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="code" href="class_diagram_item.html#ade8fc7eb5fc8795ed32088b9d84d8e79">   31</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_diagram_item.html#ade8fc7eb5fc8795ed32088b9d84d8e79">DiagramItem::removeArrows</a>()</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;{</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    <a class="code" href="class_arrow.html">Arrow</a> *arrow = 0;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    QList&lt;Arrow*&gt; arrows2del;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; m_arrows.count(); ++i) {</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;        arrow = m_arrows[i];</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;        <span class="keywordflow">if</span> (arrow) {</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment">//            arrow-&gt;startItem()-&gt;removeArrow(arrow);</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment">//            arrow-&gt;endItem()-&gt;removeArrow(arrow);</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;            arrows2del &lt;&lt; arrow;</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment">//            scene()-&gt;removeItem(arrow);</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment">//            delete arrow;</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;        }</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        arrow = 0;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    }</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; arrows2del.count(); ++i) {</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        <a class="code" href="class_diagram_scene.html">DiagramScene</a>* dscene = <span class="keyword">static_cast&lt;</span><a class="code" href="class_diagram_scene.html">DiagramScene</a>*<span class="keyword">&gt;</span>(scene());</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        dscene-&gt;<a class="code" href="class_diagram_scene.html#af901e53c276b9ed597253489f2fd04cb">removeItem</a>(arrows2del[i]);</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        arrows2del[i]-&gt;startItem()-&gt;removeArrow(arrows2del[i]);</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        arrows2del[i]-&gt;endItem()-&gt;removeArrow(arrows2del[i]);</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        m_arrows.removeAll(arrows2del[i]);</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        <span class="keyword">delete</span> arrows2del[i];</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    }</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    arrows2del.clear();</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;}</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="code" href="class_diagram_item.html#afa82238c3911ca2dc627677363e9e7aa">   57</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_diagram_item.html#afa82238c3911ca2dc627677363e9e7aa">DiagramItem::removeArrowTo</a>(<a class="code" href="class_diagram_item.html">DiagramItem</a> *item)</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;{</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    <span class="keywordflow">foreach</span> (<a class="code" href="class_arrow.html">Arrow</a>* arrow, m_arrows) {</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        <span class="keywordflow">if</span> (arrow-&gt;<a class="code" href="class_arrow.html#a363d170cfcc7db0472843a93de7e86d4">endItem</a>() == item) {</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;            scene()-&gt;removeItem(arrow);</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;            m_arrows.removeAll(arrow);</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;            <span class="keyword">delete</span> arrow;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        }</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    }</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;}</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="code" href="class_diagram_item.html#a674530ed70fb40da3bdf021f3375be8f">   68</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_diagram_item.html#a674530ed70fb40da3bdf021f3375be8f">DiagramItem::removeArrowFrom</a>(<a class="code" href="class_diagram_item.html">DiagramItem</a> *item)</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;{</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <span class="keywordflow">foreach</span> (<a class="code" href="class_arrow.html">Arrow</a>* arrow, m_arrows) {</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        <span class="keywordflow">if</span> (arrow-&gt;<a class="code" href="class_arrow.html#aca1c4bf8681a1449b8e09af3dac9b797">startItem</a>() == item) {</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;            <span class="comment">//TODO жёсткий костыль, метод по сути не работает теперь!!!</span></div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;            <span class="comment">/*DiagramScene* s = static_cast&lt;DiagramScene*&gt;(scene());</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment">            if (s) {</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment">                s-&gt;removeItem(arrow);</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment">                m_arrows.removeAll(arrow);</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment">                delete arrow;</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment">            }*/</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        }</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    }</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;}</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;</div>
<div class="line"><a name="l00083"></a><span class="lineno"><a class="code" href="class_diagram_item.html#a7eea98dfc6ec8956e0fb0e6e440fdcb0">   83</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_diagram_item.html#a7eea98dfc6ec8956e0fb0e6e440fdcb0">DiagramItem::addArrow</a>(<a class="code" href="class_arrow.html">Arrow</a> *arrow)</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;{</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    m_arrows &lt;&lt; arrow;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;}</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;</div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="code" href="class_diagram_item.html#a355f5719b096dbb89375a54be2ee3890">   88</a></span>&#160;QPixmap <a class="code" href="class_diagram_item.html#a355f5719b096dbb89375a54be2ee3890">DiagramItem::image</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    QPixmap pixmap(250, 250);</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    pixmap.fill(Qt::transparent);</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    QPainter painter(&amp;pixmap);</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    painter.setPen(QPen(Qt::black, 8));</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    painter.translate(125, 125);</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    painter.drawPolyline(m_polygon);</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    <span class="keywordflow">return</span> pixmap;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;}</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div>
<div class="line"><a name="l00100"></a><span class="lineno"><a class="code" href="class_diagram_item.html#a019492721af4b32ea0c9ffec4765717a">  100</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_diagram_item.html#a019492721af4b32ea0c9ffec4765717a">DiagramItem::contextMenuEvent</a>(QGraphicsSceneContextMenuEvent *event)</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;{</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    scene()-&gt;clearSelection();</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    setSelected(<span class="keyword">true</span>);</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    <span class="keywordflow">if</span> (m_contextMenu)</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        m_contextMenu-&gt;exec(event-&gt;screenPos());</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;}</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div>
<div class="line"><a name="l00108"></a><span class="lineno"><a class="code" href="class_diagram_item.html#ada966349ddc26ea7b0c04f4f756d9fc3">  108</a></span>&#160;QVariant <a class="code" href="class_diagram_item.html#ada966349ddc26ea7b0c04f4f756d9fc3">DiagramItem::itemChange</a>(GraphicsItemChange change, <span class="keyword">const</span> QVariant &amp;value)</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;{</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    <span class="keywordflow">if</span> (change == QGraphicsItem::ItemPositionChange) {</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; m_arrows.count(); ++i) {</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;            <a class="code" href="class_arrow.html">Arrow</a>* arrow = m_arrows[i];</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;            <span class="keywordflow">if</span> (arrow &amp;&amp; arrow-&gt;<a class="code" href="class_arrow.html#aca1c4bf8681a1449b8e09af3dac9b797">startItem</a>() &amp;&amp; arrow-&gt;<a class="code" href="class_arrow.html#a363d170cfcc7db0472843a93de7e86d4">endItem</a>())</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;                arrow-&gt;<a class="code" href="class_arrow.html#a2c78180ebf1b7d26cd52ce630ad9f2ac">updatePosition</a>();</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;            arrow = 0;</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        }</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    }</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <span class="keywordflow">return</span> value;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;}</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;</div>
<div class="line"><a name="l00122"></a><span class="lineno"><a class="code" href="class_diagram_item.html#a858b872fdce75f7b0f4ee06443db5828">  122</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_diagram_item.html#a858b872fdce75f7b0f4ee06443db5828">DiagramItem::paint</a>(QPainter *painter, <span class="keyword">const</span> QStyleOptionGraphicsItem *option, QWidget *widget)</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;{</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    QGraphicsPolygonItem::paint(painter, option, widget);</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    painter-&gt;drawText(-47, 0, m_title);</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <span class="keywordflow">if</span> (isSelected()) {</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        painter-&gt;setBrush(QBrush(QColor(0, 0, 255, 40)));</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;        painter-&gt;drawPolygon(<a class="code" href="class_diagram_item.html#a483cb2a13c9035090ef55bfa148fc93c">polygon</a>());</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    }</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;}</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div>
<div class="line"><a name="l00132"></a><span class="lineno"><a class="code" href="class_diagram_item.html#aa58bd925ee097a98983f465bef15ea88">  132</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_diagram_item.html#aa58bd925ee097a98983f465bef15ea88">DiagramItem::imitateMousePress</a>()</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;{</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    mousePressEvent(<span class="keyword">new</span> QGraphicsSceneMouseEvent(QEvent::MouseButtonPress));</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    mouseReleaseEvent(<span class="keyword">new</span> QGraphicsSceneMouseEvent(QEvent::MouseButtonRelease));</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;}</div>
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